AMD Radeon Pro 555X vs NVIDIA GeForce RTX 4080 Max-Q

VS

AMD Radeon Pro 555X NVIDIA GeForce RTX 4080 Max-Q

We compared two Mobile platform GPUs: 4GB VRAM Radeon Pro 555X and 12GB VRAM GeForce RTX 4080 Max Q to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4080 Max-Q 's Advantages

Released 4 years and 6 months late

Boost Clock1350MHz

More VRAM (12GB vs 4GB)

Larger VRAM bandwidth (336.0GB/s vs 94.08GB/s)

6656 additional rendering cores

Lower TDP (60W vs 75W)

Score

Benchmark

FP32 (float)

Radeon Pro 555X

1.393 TFLOPS

GeForce RTX 4080 Max Q +1338%

20.04 TFLOPS

Radeon Pro 555X

VS

GeForce RTX 4080 Max Q

Graphics Card

Jul 2018

Release Date

Jan 2023

Radeon Pro Mac

Generation

GeForce 40 Mobile

Mobile

Type

Mobile

PCIe 3.0 x8

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

795 MHz

-

Boost Clock

1350 MHz

1470 MHz

Memory Clock

1750 MHz

Memory

4GB

Memory Size

12GB

GDDR5

Memory Type

GDDR6

128bit

Memory Bus

192bit

94.08GB/s

Bandwidth

336.0GB/s

Render Config

-

SM Count

58

12

Compute Units

-

768

Shading Units

7424

48

TMUs

232

16

ROPs

80

-

Tensor Cores

232

-

RT Cores

58

16 KB (per CU)

L1 Cache

128 KB (per SM)

1024 KB

L2 Cache

48 MB

Theoretical Performance

14.51 GPixel/s

Pixel Rate

108.0 GPixel/s

43.54 GTexel/s

Texture Rate

313.2 GTexel/s

1393 GFLOPS

FP16 (half)

20.04 TFLOPS

1393 GFLOPS

FP32 (float)

20.04 TFLOPS

87.07 GFLOPS

FP64 (double)

313.2 GFLOPS

Graphics Processor

Polaris 21

GPU Name

AD104

Polaris 21 PRO

GPU Variant

GN21-X9

GCN 4.0

Architecture

Ada Lovelace

GlobalFoundries

Foundry

TSMC

14 nm

Process Size

4 nm

3 billion

Transistors

35.8 billion

123 mm²

Die Size

295 mm²

Board Design

75W

TDP

60W

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

None

Graphics Features

12 (12_0)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.2

Vulkan

1.3

-

CUDA

8.9

6.4

Shader Model

6.7

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